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Q: a gun has a spring with a spring of spring constant k = 16 N/m which is used to fire a bolt of mass…

A: spring constant,  speed of bolt, compression of spring, weight of the bolt is is the mass of the…

Q: 80. A skier starts at the top of a frictionless slope and pushes off with a speed of 2.0 m/s. The…

A:

Q: A 15 g bullet traveling parallel to an inclined ramp strikes a 2.74 kg block of wood and becomes…

A:

Q: A knight has an idea to break into a fortress by knocking a wall down with a rolling boulder. The…

A:

Q: follows the curved track in the figure.

A:

Q: Tarzan (83 kg) is swinging on a vine that is 0.8 meters long into the waiting arms of Jane below.…

A: Given,  Mass= 83kg The net force on Tarzan, F= 230N Time, t=0.2s

Q: A 145 g baseball is dropped from a tree 11.0 m above the ground. (a) with what speed would it hit…

A: Given: In this question, the given details are, The given mass value is M=0.145 kg, And the given…

Q: For its size, the common flea is one of the most accomplished jumpers in the animal world. A…

A:

Q: A high-performance sports car can provide 3.570 x 105 W of power. The mass of the car is 1200. kg.…

A: Given data: The power produced by the car is P=3.570×105 W The mass of the car is m=1200 kg The…

Q: A bolt gun contains a spring of spring constant k = 11 N/m which is used to shoot a bolt of mass m.…

A:

Q: A 1500 kg car is approaching the hill at 10 m/s when it runs out of gas. What is the car's speed…

A: Write the mass of the car.   m=1500 kg   Write the initial velocity of the car during approaching…

Q: a 600 gram banana sliding north on a frictionless table at 2.5 meters per second bounces of a 400…

A: Given,mass of banana mb=0.6kgub=2.5 m/svb=0.5 m/smas of kiwi mk=0.4kguk=0 m/s

Q: The diagram below shows a portion of an amusement park ride. The 100 kg car starts from rest at the…

A:

Q: One end of a massless, 30-cm-long spring with spring constant 25 N/m is attached to a 250 g…

A:

Q: Jane holds an apple of mass m over the edge of a bridge of height h = 9m. She drops the apple and it…

A: CONCEPT: We know, From kinematic equation of motion,  v² = u²+2as.......(1) Where,    'v' is the…

Q: You are designing a skatepark and want the skaters to be able to reach a speed of 12 m/s at the…

A:

Q: Jessica pulls her sister Katie in a wagon. The wagon and Katie together have a mass of 28.5 kg.…

A:

Q: At the moment when a gunman releases a 8 kg shot, the shot is 24m above the ground and travelling at…

A: Let the maximum height be hmax. let the mass of the shot be m. let the potential energy of the shot…

Q: A 3.77 g bead slides along a frictionless wire, as shown in the figure. At point A, the bead is…

A:

Q: 2. An arrow of mass m, is fired at some upward angle so that it travels in an arc to its target. It…

A:

Q: spring constant in N/m

A:

Q: A large spring with a spring constant of 15000 kg/sec2 is used to start a car on a roller coaster.…

A: The speed of the car when it leaves the spring is 12mv2=12kx2v=kx2m=15000 kg/s22.0 m21500 kg=6.32…

Q: At the low point in its swing, a pendulum bob with a mass of 0.70 kg has a velocity of 6.0 m/s. How…

A:

Q: 3. An object of mass, m = 56 kg starts to slide from rest on a curved ramp from height, H = 37 m…

A:

Q: 5. Referring to potential energy vs position graph below... U (J) 80 60 40 20 0 0 5 10 15 20 x (m)…

A:

Q: Two children are playing in the snow. One child (25.4kg) sleds down a hill reaching a speed of 6.7…

A: Given Mass of first child m=25.4kg Mass of second child M=27kg Speed of first child at the bottom…

Q: A stone of mass 80 g is dropped onto an unstrained vertical spring with a spring constant k = 0.8…

A:

Q: A 600g object is thrown from a 2.2m high block (labeled A). Afterwards, it lands on a 1.4m high…

A: Given :     Mass of the object, m = 600 g = 0.6 kg     Height of block A, hA = 2.2 m    Height of…

Q: 3. An object of mass, m = 56 kg starts to slide from rest on a curved ramp from height, H = 37 m…

A: Given, Mass, m=56 kg Height, H=37 m Let the velocity at the end of the ramp be v

Q: 16. From what height does a body fall if it hits the ground with the momentum of 100 kg m/s and then…

A: Given that,  The momentum of the body when it hits the ground, P=100 kg m/s The kinetic energy of…

Q: Jane has a mass of 50 kg and starts from a high of 5 m above the ground. At the bottom of her swing,…

A: mass of jane (m) = 50 kg initial height of jane (h) = 5 m mass of tarzan (M) = 70 kg

Q: ight of 2.1 m, its

A: Given: Frisbee mass is 75 g       speed is 12 m/s Distance above ground is 1.1 m height is 2.1 m…

Q: 5. A0.20-kg rocket in a fireworks display is launched from rest and follows an erratic flight path…

A: Mass, m = 0.2 kgInitial velocity, vi = 0 m/sInitial height, hi = 0 mFinal height, hf = 29 mWork, W =…

Q: For its size, the commonflea is one of the most accomplished jumpers in the animal world.A…

A: Given Mass of the flea (m) = 0.5 mg = 0.5×10-6 kg Length of the flea (L) = 2 mm = 2×10-3 m Height of…

Q: One end of a massless, 30-cm-long spring with spring constant 25 N/m is attached to a 250 g…

A: The length of the spring, with one end attached to the track, The spring constant, The mass of the…

Q: A 22 g golf ball is placed at the top of a loop de loop track 45 cm above the top of a desk and…

A: Solution:   Given Values, mass(m)=22 g =0.022 Kg height(h)=45 cm=0.45 m

Q: A 250 kg roller coaster is at the top of a hill with a velocity of 5.60 m/s from a height of 70.0 m…

A: Energy Conservation: the law of energy conservation states that the total energy of an isolated…

Q: If a marble is launched upward with an initial velocity of 15 m/s from a slingshot. Using…

A: Introduction: Here, the energy of the system is concerned so the total kinetic energy changes into…

Q: A ball of mass m= 0.38 kg is tied to a massless string of length L=1.2m. The ball is released at…

A: Given Mass of the ball is m=0.38 kg Length of the string is L=1.2 m Angle with the vertical is θ=35°…

Q: A 2kg hockey puck on a frozen pond is given an initial speed of 20 m/s. If the puck always remains…

A: Data Given ,  Mass of the hockey puck ( m ) = 2 kg  Initial speed ( u ) = 20 m/s Displacement ( s )…

Q: B Th₂ ead slides on a curve

A: Given: Mass of bead slides is 0.309 kg h1=4.45 mh2=1.21 m

Q: 10. A child begins to slide down from the top of a frictionless semi circular mound of ice of radius…

A: Given: The radius of semi circular mound of ice is r=5 m. The diagram for the motion of child is…

Wien's displacement law

Students often get confused between Wien's displacement law and Planck's radiation law. Although both are historically related, yet they are conceptually different. Planck's law helps determine the spectrum of a blackbody, while Wien's law determines the relationship between peak wavelength and temperature.